Exhibit 8.1

LIST OF SUBSIDIARIES OF THE REGISTRANT

·AllianceSPEC Pte Ltd (incorporated in Singapore)

·Beijing Horizon Information & Technology Co., Ltd. (incorporated in the People’s Republic of China)

·DMK International, Inc., (incorporated in Delaware)

·hiSoft Japan Co., Ltd. (incorporated in Japan)

·HiSoft Envisage Inc. (incorporated in Delaware)

·HiSoft Services (Beijing) Limited (incorporated in the People’s Republic of China)

·HiSoft Singapore Pte. Ltd. (incorporated in Singapore)

·HiSoft Systems Hong Kong Limited (incorporated in Hong Kong)

·HiSoft Systems (Shenzhen) Limited (incorporated in the People’s Republic of China)

·HiSoft Technology (Chengdu) Co., Ltd. (incorporated in the People’s Republic of China)

·HiSoft Technology (Dalian) Co., Ltd. (incorporated in the People’s Republic of China)

·HiSoft Technology (Shanghai) Co., Ltd. (incorporated in the People’s Republic of China)

·Insurance Systems Laboratory Co., LTD (incorporated in Japan)

·Wuxi HiSoft Services Ltd (incorporated in the People’s Republic of China)

·Wuxi Training Centre (incorporated in the People’s Republic of China)

·HiSoft Jinxin Technology (Beijing) Co. Ltd., (incorporated in the People’s Republic of China)